2413 Renierite, Germanite, Chalcopyrite, 2390′ Level, Tsumeb Mine, Tsumeb, Otjikoto, Namibia
From the 2390 ft level. Width of view 9mm. Stack of 40 images. Click on the image below for a higher resolution version.
Namibia
8506 Conichalcite, Germanite, Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
Zoned green crystals of conichalcite as “V”-shaped crystals in germanite. Type Locality for germanite. Width of view 9mm. Stack of 45 images. Click on the image below for a higher resolution version.
0360 Söhngeite, Gallite, Germanite, Tennantite, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Pale yellow rhombohedral söhngeite crystals in gallite-germanite-tennantite matrix. Type locality for söhngeite and germanite. Width of view 6mm. Stack of 44 images. Second image (separate specimen) includes a tiny green crystal towards the top, perhaps a gallium-bearing member of the Alunite Supergroup? Width of view 6mm. Stack of 44 images....
ncat JP3742 Willemite, Calcite, Mottramite, Cuprite, Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
This micro specimen came from the Jo Price Collection. Jo had acquired it from the late Jack Nelson. It is an old specimen simply labelled as mimetite, Tsumeb, SWA. The yellow-zoned “mimetite” crystals look odd and have interesting zoning and appear to be almost aggregates, with lots of crystal faces...
20113 M3164 Kegelite, Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
A tiny fragment of this rare sheet silicate. Type Locality. Ex Gerald Spinks Collection. Width of view 5.75mm. Stack of 16 images. Click on the image below for a higher resolution version.
5546 Parauranophane, Rössing Uranium Mine, Arandis, Swakopmund District, Erongo Region, Namibia
Yellow prismatic crystals. Previously known as uranophane-β, now parauranophane. Width of view 5.75mm. Stack of 165 images. Click on the image below for a higher resolution version.
5751 Uranophane, Rössing uranium mine, Arandis Constituency, Erongo Region, Namibia
Yellow transparent prismatic crystals. Labelled as barium uranophane. Collected before 1980.
4574 Oyelite, N’Chwaning Mine, Kuruman Hills, Namibia
Colourless to white tufts of oyelite. Ex Bob Rothenberg. Ex Rocko’s Minerals. Width of view 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
7363 JL3054 Vaterite, Defernite, Kombat Mine, Kombat, Grootfontein, Otjozondjupa Region, Namibia
Acquired by Joan Lamond from Rob Sielecki in 1998 for $10.00.
7342 JL3052 Holdawayite, Kombat Mine, Kombat, Grootfontein, Otjozondjupa Region, Namibia
Type Locality. Acquired by Joan Lamond in 1998 from Rob Sielecki for $10.00.
ncat WD113 Cassiterite, Hyalite, Erongo Mountains, Karibib, Erongo, Namibia
Nice sharp group of cassiterite crystals with a partial coating of fluorescent green hyalite opal. The hyalite fluoresces under longwave UV (Convoy) but is much brighter under shortwave. The green fluorescence is due to uranyl ions.
30112 Smithsonite, Mimetite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Oshikoto Region, Namibia
Grey rhombohedral smithsonite crystals with yellow mimetite. Specimen measures 49x28x20mm.